<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">{{ page.total }}</span>
        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
            >导入</el-button
          >
          <el-button size="small" type="danger" @click="exportDate"
            >导出</el-button
          >
          <el-button
            size="small"
            type="primary"
            @click="$refs.addEmployee.showDialog = true"
            >新增员工</el-button
          >
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template v-slot="{ row }">
              {{ row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template v-slot="{ row }">
              <el-switch :value="row.enableState * 1 === 1"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small">角色</el-button>
              <el-button
                type="text"
                size="small"
                @click="deleteEmployee(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-sizes="[10, 20, 30, 40]"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 增加修改弹窗 -->
    <Addemployee ref="addEmployee"></Addemployee>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from "@/api/employees";
import EmployeeEnum from "@/constant/employees";
import Addemployee from "./components/add-employee.vue";
import { formatDate } from "@/filters";
export default {
  name: "employees",
  data() {
    return {
      loading: false,
      list: [], // 接数据的
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0 // 总数
      }
    };
  },
  components: { Addemployee },
  created() {
    this.getEmployeeList();
  },
  methods: {
    // 获取员工列表
    async getEmployeeList() {
      // 发送请求
      const { total, rows } = await getEmployeeList(this.page);
      // console.log(total, rows);
      this.page.total = total;
      this.list = rows;
    },
    // 改变页码
    changePage(newPage) {
      this.page.page = newPage;
      this.getEmployeeList();
    },
    //账户状态
    formatEmployment(row, column, cellValue, index) {
      const result = EmployeeEnum.hireType.find(item => item.id === cellValue);
      return result ? result.value : "未知";
    },
    // 删除员工
    async deleteEmployee(id) {
      try {
        await this.$confirm("您确定删除该员工吗");
        await delEmployee(id);
        // 如果不是第一页，且只有一个元素，删除成功，则需要把页码-1，重新拉取列表
        if (this.list.length === 1 && this.page.page !== 1) {
          this.page.page--;
        }
        // 重新渲染数据
        this.getEmployeeList();
        this.$message.success("删除员工成功");
      } catch (error) {
        console.log(error);
      }
    },
    // 导出员工
    // 导出excel数据
    exportDate() {
      //  做操作
      // 表头对应关系
      const headers = {
        姓名: "username",
        手机号: "mobile",
        入职日期: "timeOfEntry",
        聘用形式: "formOfEmployment",
        转正日期: "correctionTime",
        工号: "workNumber",
        部门: "departmentName"
      };
      // 懒加载
      import("@/vendor/Export2Excel").then(async excel => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        });
        const data = this.formatJson(headers, rows); // 是要导出的数据结构
        const multiHeader = [["姓名", "主要信息", "", "", "", "", "部门"]];
        const merges = ["A1:A2", "B1:F1", "G1:G2"];
        excel.export_json_to_excel({
          header: Object.keys(headers), // 表头
          data,
          filename: "员工信息表",
          autoWidth: true,
          bookType: "xlsx",
          multiHeader, // 复杂表头
          merges // 合并选项
        });
        // 获取所有的数据
        // excel.export_json_to_excel({
        //   header: ['姓名', '薪资'],
        //   data: [['张三', 12000], ['李四', 5000]],
        //   filename: '员工薪资表',
        //   autoWidth: true,
        //   bookType: 'csv'
        // })
      });
    },
    // 该方法负责将数组转化成二维数组
    formatJson(headers, rows) {
      // 首先遍历数组
      // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          if (
            headers[key] === "timeOfEntry" ||
            headers[key] === "correctionTime"
          ) {
            return formatDate(item[headers[key]]); // 返回格式化之前的时间
          } else if (headers[key] === "formOfEmployment") {
            var en = EmployeeEnum.hireType.find(
              obj => obj.id === item[headers[key]]
            );
            return en ? en.value : "未知";
          }
          return item[headers[key]];
        }); // => ["张三", "13811"，"2018","1", "2018", "10002"]
      });
      // return data
      // return rows.map(item => {
      //   // item是对象  => 转化成只有值的数组 => 数组值的顺序依1赖headers  {username: '张三'  }
      //   // Object.keys(headers)  => ["姓名", "手机号",...]
      //   return Object.keys(headers).map(key => {
      //     return item[headers[key]]
      //   }) // /  得到 ['张三'，’129‘，’dd‘,'dd']
      // })
    }
  }
};
</script>

<style></style>
